Revert "Revert "default_Item: drop default on setter""
Revert "Revert "default_Item: drop default on setter""

This reverts commit bee6991586c14c13062bed0eaf54f64e8639c2e2.

samasti/noosfero,blogoosfero/noosfero,coletivoEITA/noosfero-ecosol,samasti/noosfero,CIRANDAS/noosfero-ecosol,coletivoEITA/noosfero-ecosol,CIRANDAS/noosfero-ecosol,EcoAlternative/noosfero-ecosol,EcoAlternative/noosfero-ecosol,coletivoEITA/noosfero-ecosol,samasti/noosfero,CIRANDAS/noosfero-ecosol,samasti/noosfero,CIRANDAS/noosfero-ecosol,CIRANDAS/noosfero-ecosol,coletivoEITA/noosfero-ecosol,EcoAlternative/noosfero-ecosol,blogoosfero/noosfero,blogoosfero/noosfero,EcoAlternative/noosfero-ecosol,EcoAlternative/noosfero-ecosol,blogoosfero/noosfero,blogoosfero/noosfero,EcoAlternative/noosfero-ecosol,coletivoEITA/noosfero-ecosol,coletivoEITA/noosfero-ecosol,samasti/noosfero,blogoosfero/noosfero,blogoosfero/noosfero,samasti/noosfero,EcoAlternative/noosfero-ecosol